Symbols:C/cis
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Polar Form of Complex Number
- $\cis$
The expression:
- $r \cis \theta$
is a shortened form of:
- $r \paren {\cos \theta + i \sin \theta}$
The $\LaTeX$ code for \(\cis\) is \cis
.
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): cis
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): cis